Inflatable basin



FIG. 1 is a perspective view of an inflatable basin according to my new design;

FIG. 2 is a top view thereof; and,

FIG. 3 is a side view thereof, the undisclosed sides are identical.

The broken line showing portions of the inflatable basin forms no part of the claimed design. The dash-dot broken lines represent the boundary and form no part of the claimed design. 

CLAIM The ornamental design for an inflatable basin, as shown and described. 